Listen To Britney Spears' New Single 'Work Bitch'

After a low-quality version of Britney Spears' new song leaked online over the weekend, the singer was forced to move up the radio release of her comeback single.

"Work B--ch" was scheduled for release Monday evening but dropped Sunday instead. The track features Spears collaboration with will.i.am and songwriter Otto Knows.

On Sunday, Spears tweeted: "Woke up today and saw that a low quality version of Work B**ch had leaked... iamwill OttoKnows and I worked SOOO hard on this song! Can't wait for you all to hear it like you're supposed to..."